Monthly Archives: May 2015

single floppy disk


I came across this Commodore 64 floppy disk drive in its original box at the hackerspace. Remember the days when floppy drives were this big? I don’t… just a little too early for me.

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the trouble with pixels

The PC industry is presently in a period of major bungled transition and chaos related to high-DPI hardware being released before Microsoft and Windows applications can support it. By mistake, I bought a laptop with a beautiful 13″ 1920 x 1080 screen with a 276 pixels per inch density. Packing this many pixels into a small space means that to display something at the same physical size as a standard-density display, it must be “larger” in terms of the number of pixels used to represent the intended object, whether it be a window, text, buttons, graphics, etc.

A typical 13″ display is made of 1440 x 900 pixels at 110 pixels per inch.

13.3″ 2014 Samsung ATIV Book 9 Plus: 1920 x 1080 = 2,073,600 pixels
13.3″ Mid-2007 Apple MacBook: 1440 x 900 = 1,296,000 pixels

What does it mean when you cram nearly twice as many pixels in the same space as before? Everything appears half its usual size. Thus, the operating system software has to double the size of everything it displays in order for it to physically appear the correct size. They haven’t figured this out yet.

The vast majority of Windows software is not designed for this, and Windows itself does a terrible job at dealing with this. I tested Ubuntu 15.04 and it wasn’t much better; for example Google Chrome’s UI will not scale.

Microsoft and Samsung grossly mishandled and/or neglected their implementation of DPI scaling. For example, take a look at this application, Arduino. The text and interface are impossible to read unless I move my face to within 5″ of the screen. This renders the application completely useless, and there’s nothing I can do about it.


An example of an application which does not support high-density displays. The text an interface features are impossible to see.

My advice to you: Hold off on your next laptop purchase. Wait a while until the software industry catches up with the advances in hardware. Samsung ATIV Book 9 Plus was initially a haphazard product.

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email mail merge in Office 2010 with hyperlinks

The goal of this tutorial is to perform a mail merge which includes a unique URL (web address) for each record. That way, you can send email with unique URLs for each recipient, which may be useful when sending surveys or tracking individual followup.

This is the procedure to embed a hyperlink into a mail merge in Microsoft Office 2010, using Word and Excel.

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